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Considerations on VoIP Throughput in 802.11 NetworksPOTORAC, A. D.
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throughput, quality of service (QoS), IEEE 802.22 wireless LAN (WLAN), voice over IP (VoIP), voice codec
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About this article
Date of Publication: 2009-10-26
Volume 9, Issue 3, Year 2009, On page(s): 45 - 50
ISSN: 1582-7445, e-ISSN: 1844-7600
Digital Object Identifier: 10.4316/AECE.2009.03009
Web of Science Accession Number: 000271872000009
SCOPUS ID: 77954738959
Voice data packets have to arrive at the destination in time, with a defined cadence and with low and constant delay in order to allow the real time voice reconstruction. From this point of view, transmitting voice over IP networks is the most sensitive category of applications, especially when wireless medium is involved. The paper discusses the possibilities of transmitting the maximum number of simultaneous voice streams over 802.11 wireless networks considering the main factors which impact with VoIP throughput, in a basic scenario. Starting from a proposed communication model, the number of simultaneous possible VoIP sessions is calculated, taking into consideration the contribution of the protocol overheads, the security overheads, the PHY level timings and the CODEC proprieties. Numerical results are generated and compared.
|References|||||Cited By «-- Click to see who has cited this paper|
| Daji Qiao, Sunghyun Choi, "Goodput Analysis and Link Adaptation for IEEE 802.11a Wireless LANs", IEEE Transactions on Mobile Computing, vol.1, No.4, 2002 |
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